311154251412 has 24 divisors (see below), whose sum is σ = 764238512800. Its totient is φ = 98259237216.

The previous prime is 311154251371. The next prime is 311154251413. The reversal of 311154251412 is 214152451113.

It is a self number, because there is not a number n which added to its sum of digits gives 311154251412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311154251413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682355587 + ... + 682356042.

Almost surely, 2^311154251412 is an apocalyptic number.

It is an amenable number.

311154251412 is an abundant number, since it is smaller than the sum of its proper divisors (453084261388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311154251412 is a wasteful number, since it uses less digits than its factorization.

311154251412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364711655 (or 1364711653 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The spelling of 311154251412 in words is "three hundred eleven billion, one hundred fifty-four million, two hundred fifty-one thousand, four hundred twelve".